Antiskid device



Dec. 22, 1936. w. H. JAcKsoN ANTISKID DEVICE Filed Deo. 6, 1934CWJLQQTM@ SW Patented Dec. 22, 1936 I ii'i' OFFICE ANTESKID DEVICEWalter H. Jackson, Summit, N. J.

Application December 6, 1934, Serial No. 756,346

1 Claim. (Cl. 152-44) UNI-TED STAT This invention relates to an improvedanti- Figure 2 is a sectional view of the same. skid device to beapplied to the wheels of auto- Although it is within the scope of thisinvenmobiles and the like. tion to use the new, long Wearing, anti-skidNumerous devices of this general class have material as the wearingsurface for any type 5 been suggested but none are without unsatisofanti-skid device, it has been found particular- 5 factory features. Ofthe difficulties that prely advantageous in a device of the kind shownvent the use with satisfaction of the known by the drawing. According tothe drawing an anti-skid devices, probably the most important aluminummatrix Ii) has embedded therein nuis the rapidity with which the devicesare worn merous small pieces of carborundum Il or .a

away by contact with modern hard surface roads. similar hard material.The aluminum matrix is 10 It is a purpose of the present invention tosupported in turn by a, flexible member i 2, such provide a simpleanti-skid device in which this as a strap, that passes around the tireor wheel.

disadvantage is greatly lessened and which will As a possiblealternative, which is not illuswithstand successfully long periods offast drivtrated, the ordinary tire chain comprised of a ing on hardsurfaced roads. series of links may be made of the new wear 15 Toaccomplish this and other objects that will resisting material or may besurfaced with such more fully appear from the following descripmaterial.tion, this invention provides an anti-skid device Having thus describedand illustrated the in- With a road contacting surface of unusualqualvention it is to be understood that the illustraities. This surfaceis neither metal, rubber, nor tions given in no way limit theapplication of 20 fabric as such surfaces usually are but comtheprinciples of the invention in the specic prises a matrix of a softmetal, such as alumimanner so disclosed but that the scope of this num,in which is embedded small pieces of an invention is limited only asindicated by the exceptionally hard durable material such ascaraccompanying claim. borundum. I claim: 25

A more COmDlete understanding of the inven- An anti-skid devicecomprising a flexible base liOIl may be Obtained from the appendeddrawcarrying a plurality of contacting surfaces at ing and the followingdescription thereof. In least part of which comprise a plurality ofsmall the drawing, pieces of a hard material such as carborundum 3oFigure 1 is a plan View of a part of an antiimbedded in an aluminummatrix. 30

skid device constructed according to this invention; and WALTER H.JACKSON.

